Wrap-Up Next RDX Short Extension BumperWrap Up Next (#0672 FD) RDX Short Extension Bumper Feature: For: Rve D RDX Carbon short bumper for RDX. It can be installed without processing on standard resin chassis or genuine optional FRP chassis. In addition, it can be used not only as a short bumper, but also as an extension for attaching a conventional drift package standard bumper. More, also as a rear bumper and can be used in various ways such as attaching body posts and weights.